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A Novel Two-Section Tunable Discrete Mode Fabry-PÉrot Laser Exhibiting Nanosecond Wavelength Switching

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12 Author(s)
Phelan, R. ; Trinity Coll. Dublin, Dublin ; Wei-Hua Guo ; Qiaoyin Lu ; Byrne, D.
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A novel widely tunable laser diode is proposed and demonstrated. Mode selection occurs by etching perturbing slots into the laser ridge. A two-section device is realized with different slot patterns in each section allowing Vernier tuning. The laser operates at 1.3 mum and achieves a maximum output power of 10 mW. A discontinuous tuning range of 30 nm was achieved with a side mode suppression greater than 30 dB. Wavelength switching times of approximately 1.5 ns between a number of wavelength channels separated by 7 nm have been demonstrated.

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Quantum Electronics, IEEE Journal of  (Volume:44 ,  Issue: 4 )